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GRINGER DONALD

Overview
  • Total Patents
    15
About

GRINGER DONALD has a total of 15 patent applications. Its first patent ever was published in 1981. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets machine tools, machines and consumer goods are ALLWAY TOOLS, BILLADO JR HARRY S and ANGST PAUL.

Patent filings in countries

World map showing GRINGER DONALDs patent filings in countries
# Country Total Patents
#1 United States 14
#2 United Kingdom 1

Patent filings per year

Chart showing GRINGER DONALDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gringer Donald 15
#2 Cheng Yuan Fang 7
#3 Soled Howard 2
#4 Cheng Yuan F 1

Latest patents

Publication Filing date Title
US2013298740A1 Multifunction safety knife
US2013008036A1 Razor blade assembly
US2011167647A1 Cutting implements
US2012118776A1 Packaging device
US2011203064A1 Multifunction caulk tool
US2010126416A1 Paint shield
US2010117262A1 Method of dual molding products with logos and other indicia
US2009255129A1 Multifunction carton tray cutter
US2007295768A1 Multifunction pouring spout with pivoting handle
US2006175362A1 Multifunction pouring spout with handle
US4575936A Blade retaining tool head
US4558517A Scraper hand tool
US4509260A Knife handle for accommodating different adjustable blade types
US4359158A Blister pack for storage and display of elongated articles and the like